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Precise predictions for boosted Higgs production

Becker, Kathrin; Caola, Fabrizio; Massironi, Andrea; Mistlberger, Bernhard; Monni, Pier F; Chen, Xuan; Frixione, Stefano; ... Wever, Christopher; + view all (2024) Precise predictions for boosted Higgs production. SciPost Physics Core , 7 (1) , Article 001. 10.21468/SciPostPhysCore.7.1.001. (In press). Green open access

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Inclusive Higgs boson production at large transverse momentum is induced by different production channels. We focus on the leading production mechanism through gluon fusion, and perform a consistent combination of the state of the art calculations obtained in the infinite-top-mass effective theory at next-to-next-to-leading order (NNLO) and in the full Standard Model (SM) at next-to-leading order (NLO). We thus present approximate QCD predictions for this process at NNLO, and a study of the corresponding perturbative uncertainties. This calculation is then compared with those obtained with commonly used event generators, and we observe that the description of the considered kinematic regime provided by these tools is in good agreement with state of the art calculations. Finally, we present accurate predictions for other production channels such as vector boson fusion, and associated production with a gauge boson, and with a t\bar{t}<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>t</mml:mi><mml:mover><mml:mi>t</mml:mi><mml:mo accent="true">‾</mml:mo></mml:mover></mml:mrow></mml:math> pair. We find that, at large transverse momentum, the contribution of other production modes is substantial, and therefore must be included for a precise theory prediction of this observable.

Type: Article
Title: Precise predictions for boosted Higgs production
Open access status: An open access version is available from UCL Discovery
DOI: 10.21468/SciPostPhysCore.7.1.001
Publisher version: http://dx.doi.org/10.21468/scipostphyscore.7.1.001
Language: English
Additional information: Copyright K. Becker et al. This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation.
Keywords: Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, LARGE TRANSVERSE-MOMENTUM, BOSON PRODUCTION
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10186916
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